Ethylene glycol, C2H6O2, is a common automobile anti-freeze. What mass of ethylene glycol be added to a 5.0 liter automobilewater cooling system to lower the freezing point to -10°C?

Q: Use the References to access important values if needed for this question. The nonvolatile,…

A: Molecular weight of Ethylene glycol = 62.10 g/mol Mass of Ethylene glycol= 13.5 g Number of moles of…

Q: A certain liquid X has a normal freezing point of 6.90°C and a freezing point depression constant…

A: The freezing point of a solution made of 92.g of glycine (C2H5NO2) dissolved in 700. g of X is 2.93…

Q: what is the molar mass of toluene if 0.85g of toluent depresses freezing pt 1.00 x102 g of benzene…

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Q: A certain liquid X has a normal freezing point of 3.00°C and a freezing point depression constant…

A: Given : Mass of solute i.e benzamide, C7H7NO = 80.7 g Mass of solvent i.e X = 900 g = 0.900 Kg…

Q: When 46.1 g of alanine (C₂H,NO₂) are dissolved in 550. g of a certain mystery liquid X, the freezing…

A: Given that, The mass of alanine is 46.1 g.The molar mass of alanine is 89 g/mol.The mass of the…

Q: The boiling point of methanol is 72.2 oC. The molar boiling point elevation constat for methanol is…

A: Moles of acetic acis is 0.8333 mol.

Q: 9) Adding 1g of benzene, C,H6, to 70g cyclohexane, C6H12, lowers the freezing point of the…

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Q: The freezing point of water H20 is 0.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

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Q: The common laboratory solvent diethyl ether (ether) is often used to purify substances dissolved in…

A: Data given: The vapor pressure of diethyl ether, Po = 463.57 mm Hg Mass of the new compound, w =…

Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 10.01 grams of zinc…

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Q: 1. The solubility of L-glutamic acid (an amino acid) in water has been determined to be as follows…

A: Solubility:   When the maximum amount of solute is dissolve in the solvent is called solubility. On…

Q: A certain liquid X has a normal boiling point of 114.40 °C and a boiling point elevation constant K…

A: The boiling point of the pure liquid = 114.40 0C. The boiling point of the solution = 115.1 0C.…

Q: What mass of fructose, C5H10O5 (molar mass is 150.2 g), in grams must be added to 115 g H2O to lower…

A: The question is based on the concept of solutions.   Molality is a method of expressing…

Q: A student dissolves 16. g of styrene (CgHg) in 250. mL of a solvent with a density of 0.93 g/mL. The…

A: Given: mass of styrene ( C8H8 ) = 16 gMolar mass of C8H8 = 104.15 g/molAs we know, No.…

Q: The boiling point of chloroform, CHCl3, is 61.70 °C at 1 atmosphere. A nonvolatile, nonelectrolyte…

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Q: Elemental analysis of phytoene, an intermediate in the biosynthesis of carotenoids, shows that it…

A: Depression in freezing point (dTf) of a solution is a colligative property that is calculated as per…

Q: When 20.4 g of urea (CH₂N₂O) are dissolved in 500. g of a certain mystery liquid X, the freezing…

A: First of all we calculate the Kf of mystery liquid X using urea.For this purpose we use Following…

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A: Molarity of the solution can be calculated by using Following formula - Molarity = mass×1000/molar…

Q: 7. Camphor (C10H160) freezes at 179.8°C, and it has a particularly large freezing point depression…

A: The expression for freezing point depression is given by, Tf-Ti=Kf.m where Kf is the freezing point…

Q: Highways are salted to reduce ice on roads. What is the freezing point when 2 samples of 125 g NaCl…

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Q: The boiling point of benzene, CaHe, is 80.10 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

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Q: Butylated hydroxytoluene (BHT) is used in margarine and other fats and oils. (It is used as an…

A: Given,mass of BHT ( Butylated hydroxytoluene) =0.620 gmass of Chloroform ( CHCl3 ) = 25.0 gboiling…

Q: When 116. mg of a certain molecular compound X are dissolved in 60.0 g of cyclohexane C6H12, the…

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Q: The freezing point of water, H₂O, is 0.000 °C at 1 atmosphere. Kf(water) = 1.86 °C/m In a laboratory…

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Q: A student made a solution by mixing 28.20 g of an unknown substance with 500.0 g of benzene (C6H63,…

A: Depression in freezing point (∆Tf) solvent will calculated as:-∆Tf= kf×W2W1×M2Where∆Tf=Depression in…

Q: The common laboratory solvent ethanol is often used to purify substances dissolved in it. The vapor…

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Q: Complete combustion of 10.69 g of a compound of carbon, hydrogen, and oxygen yielded 13.56 g CO₂ and…

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Q: Calculate the freezing point and boiling point of a solution containing 10.15 gg of ethylene glycol…

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Q: Ionic Compounds... Dissociate to Dissolve hmg! ion-ion .... ..... .. ion-dipole NaCI(aq) has no H20…

A: The dissociation of the given compound is as follows, (NH4)3PO4(s) ---> NH4+(aq) + PO43-(aq)

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Q: Ice cubes from a freezer have a temperature of about -12°C (10°F), which is cold enough, but contact…

A: Det Tf=i ×Kf×m ion ,i for Nacl-->Na+ +Cl- i=2

Q: When 40.0 grams of an unknown compound are dissolved in 500. grams of benzene, the freezing point of…

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Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

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Q: The boiling point of an aqueous solution is 101.18 ∘C. What is the freezing point?

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Q: When 58.6 g of alanine (C₂H-NO₂) are dissolved in 1250. g of a certain mystery liquid X, the…

A: Given that, The mass of alanine is 58.6 g.The molar mass of alanine is 89 g/mol.The mass of the…

Q: Important válues if needed for this question. The freezing point of benzene, CH, is 5.500 °C at 1…

A: Given : Boiling point of pure benzene i.e solvent = 5.500 oC Kf of benzene = 5.12 oC/m Boiling point…

Q: The freezing point of ethanol, CH3CH₂OH, is -117.300 °C at 1 atmosphere. Kf(ethanol) = 1.99 °C/m In…

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Q: Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY…

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Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: A numerical problem based on colligative properties which is to be accomplished.

Q: Calculate the van't Hoff factor for iron(III) chloride

A: Since, nitrobenzene C2H5NO2 is non electrolyte it will be having vantoff factor 1  Now  Since mass…

Q: student dissolves 10.82 grams of estrogen, C18H24O2 (272.4 g/mol), in 158.1 grams of ethanol. Use…

A: Solution -

Q: 1-A sample of pure t-butyl alcohol weighing 6.22 g was found to have a freezing point of 24.7 °C.…

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Q: [Review Topics] [References] Use the References to access important values if needed for this…

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Q: When 56.3 g of glycine (C2H5NO2) are dissolved in 900. g of a certain mystery liquid X, the freezing…

A: When a non-volatile solvent is added to the solution, the cooling rate of the system decreases…

Q: When 5.71g of naphthalene is added to 152g of benzene the solution freezes at 3.98 degrees Celsius.…

A: Recall the data from the question, mass of naphthalene=5.71 g mass of solvent=152 g  Solvent in…

Q: When 59.8 mg of a certain molecular compound X are dissolved in 50. g of cyclohexane (C6H₁2), the…

A: Here the solute is compound X and the solvent is cyclohexane.  We use the below formula to find the…

Q: The Rast method for determining molar masses uses camphor as the solvent. Camphor melts at 178.4°C,…

A: The given data contains, melting point of camphor = 178.4°C Kf=37.7 K kg mol-1 ∆T…

Q: I0rints) Determine the mass of magnesium chloride (MM=95.21 g) that must be dissolved in water to…

A: Delta Tb  = Kb . m  Where m = molality; Kb = 0.512·c/m  Delta Tb = boiling point